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Water is a polar solvent and hexane (C6H14) is a nonpolar solvent. Which of the following correctly describes the solubility?
Calculate the change in entropy (S) for reversible cooling 1 Mole of an ideal monatomic gas from 30 degrees C to 0 degrees C under:
Liquid butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 31.2 g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas. The heat of vaporization of butane is 21.3 kJ/mol.
Write an equation for the ionization of each of the following amines in water. Consider if you need a double or single arrow ethylamine
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. The net chemical equation is Cu(2+)(aq) + 2OH(-)(aq) --> Cu(OH)2(s)
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
The vapor pressure of water at 26 degrees C is 25.209 mmHg. How many moles of gas were collected?
Calculate the entropy change when 100 g of argon is heated and compressed from 300 K, 1.0 atm, to 900 K, 17 atm
A 10.0 mL aliquot of this weak acid solution was titrated with a 0.0498 M NaOH solution. The equivalence point was reached by adding 11.62 ml of NaOH from the buret. What is the molar mass of this unknown acid
you just need to find out Which Substance (given) will be to fall to the bottom of the beaker by combining them with H 2 O In A Beaker?
a proton in a linear accelerator has a de broglie wavelength of 138 pm. what is the speed of the
during a strenous workout an athlete generates 1890.0 kj of heat energy. what mass of water would have to evaporate
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